Although, the English dub is by a company that normally deals with dubs for low popularity anime. This may be the largest thing they have worked on thus far in terms of popularity. It looks at least from the trailer that we can expect no regional dialect and mostly american voices. But oh well.

The angle they took was the intro to Sensha-do in the first episode. I only derived my conclusion because of how america the voice actor sounds (Not to mention how them calling it tankery, even if it is the correct translation, bugs me to no end) This is only my opinion though, it could turn out fantastic.